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January 1997

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Fri, 17 Jan 1997 15:25:01 -0500
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From [log in to unmask] Fri Jan 17 16:
44:42 1997
Subject:
Fab: Finish LPI thickness on circuits
From:
sam mccorkel <[log in to unmask]>
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We're having difficulties trying to get .001" of LPI solder mask thickness
on 2 oz. bare copper circuits.
We're screening with a DP-10 using 60 and/or 70 durometer squeegee material.
Our screen mesh count has been 86 - 110. We flood - print - print. Any
suggestions would be greatly appreciated. 

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